Purpose and Impact:

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior System Administrator to join our team of passionate individuals in Springfield, VA. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission.

The Geospatial Enterprise Open Data Store (GEODS) contract provides integration, design, development, and sustainment for data services in support of the Federal Government.

The Senior System Administrator is responsible for overseeing the testing of products from development to operational deployment, working with Scrum Masters and developers through the requirements process and contributing to a robust, organized Backlog and streamlined Roadmap for the GEODS program.

Work Schedule: M - F, 11AM - 7PM

Essential Responsibilities:

• Provide support for implementation, troubleshooting, and maintenance of cloud systems
• Isolate and resolve problems involving the applications, operating system, hardware, communications, other infrastructure, or any combination as needed
• Prepare problem reports to appropriate leads like Amazon/C2S, NGA-ESC, etc.
• Provide support for the escalation and communication of status to agency management and internal customers
• Deploys operating system and application software to cloud compute resources.
• Isolate and resolve hardware and software problems involving the applications, operating system, hardware, communications infrastructure, or any combination of these
• Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance
• Integrate new technologies into new and existing systems including the transition and migration of corporate systems
• Monitor and report on system health using various dashboarding tools such as Elasticsearch Kibana, AWS Cloudwatch, etc.
• TS/SCI level security clearance with CI scope Polygraph
• The ability to report and work on-site daily (this role is not remote).

Minimum Requirements (Knowledge, Skills, and Abilities):

Security Clearance Required:

• TS/SCI level security clearance with Polygraph

Minimum Education:

• Bachelor's degree plus 5 years experience,
• Associates degree plus 7 years experience or a minimum of 8 years of experience, in a related field

Minimum Years of Experience:

• Bachelor's degree plus 5 years experience
• Associates degree plus 7 years experience, or a minimum of 8 years of experience, in a related field

Required Certifications:

• Cloud Certification, preferably AWS, OCI, Google cloud

Preferred Qualifications:

• Demonstrated proficiency with the AWS C2S suite and services.
• Experience administering and managing Oracle Cloud Infrastructure
• Troubleshooting and providing AWS technical support to the NGA enterprise.
• Senior level experience managing and administering Linux/Windows based systems including patching, updates, and configuration management.
• Experience with Active Directory and managing/maintaining Windows servers
• Analyze logs and troubleshoot issues on EC2 instances by establishing SSH connections using tools such as MobaXterm or Putty• Creating IAM users/roles/policies per user requests.
• Writing json IAM/S3 policies to administer access to various IAM roles and S3 objects.
• Experience using ServiceNow, Jira, Confluence, etc.
• Using LDAP to administer account creation & management on various Linux Servers.
• Provide support, improve and implement internal components and applications on top of multiple clusters.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Compensation Details:
US:$150,000 - $160,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:
06/16/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.